Matić BI, Vujanović DL, Dejanović SM, Jovanović VS, Đonović N Ž. Correlating household second-hand smoke exposure and respiratory symptoms in school children. PONS [Internet]. 2017 Nov. 30 [cited 2026 Sep. 20];14(2). Available from: https://test.aseestant.ceon.rs/index.php/pomc/article/view/14557